What was the cause of the 1962 cuban missile crisis?

Deployment/installation of Nuclear(ballistic) missiles in Cuba by the soviet Union

Explanation:

The Cuban missile crisis of 1962 was a missile confrontation between the United states of America and the then soviet union during the cold war Era. this confrontation was deadly and it was very close to a nuclear war confrontation which lasted for 13 bloody days in Cuba.

The Cause of the conflict was when the united states discovered that the Soviet union were deploying and installing Nuclear- armed Ballistic missiles in Cuba which was just 90 miles away from America. this resulted to a heavy Military action between both countries because the U.S strongly opposed the action by the soviet Union.